Search a number
-
+
212001221002202 = 2118189754962321
BaseRepresentation
bin110000001101000001100001…
…011110000100001111011010
31000210122010012121020111111122
4300031001201132010033122
5210241412000034032302
62030520003313525242
762440403613560312
oct6015014136041732
91023563177214448
10212001221002202
1161606238439185
121b93b30bb73822
13913a824917578
143a4ccb183c442
1519799892983a2
hexc0d0617843da

212001221002202 has 8 divisors (see below), whose sum is σ = 318271096393812. Its totient is φ = 105910855537600.

The previous prime is 212001221002199. The next prime is 212001221002229. The reversal of 212001221002202 is 202200122100212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 198777881497321 + 13223339504881 = 14098861^2 + 3636391^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44877478799 + ... + 44877483522.

Almost surely, 2212001221002202 is an apocalyptic number.

212001221002202 is a deficient number, since it is larger than the sum of its proper divisors (106269875391610).

212001221002202 is a wasteful number, since it uses less digits than its factorization.

212001221002202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89754963504.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 212001221002202 its reverse (202200122100212), we get a palindrome (414201343102414).

The spelling of 212001221002202 in words is "two hundred twelve trillion, one billion, two hundred twenty-one million, two thousand, two hundred two".

Divisors: 1 2 1181 2362 89754962321 179509924642 106000610501101 212001221002202